FIELD: use of explosion energy, applicable in mining art and civil engineering. SUBSTANCE: the device has a detachable frame made of separate, hinge-joined links accommodating damping elements made in the form of several hollow sections located one above another and successively fastened to one another with matching of the holes of all levels. The damping elements are additionally provided with side holes, the lower hollow section is open towards the heavy chain mats located under it and connected to them at the edges. EFFECT: enhanced efficiency of device operation. 2 dwg
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